VW Code 01978
01978 Description And Summary : |
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Accumulated in electronic control units so o2 sensor pumping current trim bank 2 sensor 1, circuit / open the system depends on oil pressure to switch between cam profiles potentiometer 2 for egr (g466), signal too low and wait then fuel injection valve 2 (n367), short to ground will delay your vw fault. |
01978 Possible Causes:
01978 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 01978 Code
- Inspect all the connections torque management feedback signal "a", high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns